JOSE PANGANIBAN NATIONAL HIGH SCHOOL THIRD FINAL EXAMINATION SCIENCE 9 I.
MULTIPLE CHOICE:
Choose the letter of the correct answer and write it on the answer sheet.
( Q1-3) : Based on illustration below, classify the following type of volcano.
1
2.
3. a.Shield Volcano
b. Cinder Volcano
c. Lava Plateu
d. Strato/composite Strato/compos ite Volcano
4. Which characteristic of magma mainly determines its explosiveness? a. Color b. amount c. temperature d. silica content 5. Tall, cone-shaped mountains in which layers of lava alternate with layers of ash are called a. shield volcanoes b. cinder cone volcanoes c. composite volcanoes d. lava platue 6. If a geologist detect mny small earthquakes in the area near a volcano, what can they infer about the volcano? a. it is extinct c. it is dormant b. it is probably probably about about to erupt d.it is a good source of geothermal geothermal energy energy 7. Several kilometers from a volcano, a geologist observes an old lava flow made up of dark-colored basalt rock. The geologist infers that the lava must have had a. high silica content c. high viscosity b. low viscosity viscosity d. medium viscosity 8. Which of the following is an active volcano in the Philippines? a. Apo in Davao c. Isarog in Camarines Sur b. Bud Datu in Sulu d. Kanlaon in Negros Oriental 9. Which of the following are active volcanoes? I. Mayon in Albay III. Vulcan in Camiguin II. Taal in Batangas IV. Kanlaon in Negros Oriental a. I and II only b. II and III only c. I, II and III only d. I, II and IV only 10. Which of the following terms is best described described as a large volcanic volcanic crater formed by the collapse of central part of a volcano? volcano? a. Fissure b. caldera c. sill d. batholiths 11. Magma which is forced onto Earth’s surface is known as a. vent b. cone c. lava d. magma chamber 12. Philippines volcano that spewed out huge quantities of ash that rose high into the atmosphere last 1991. a. Mayon Volcano b. Mount Pinatubo c. Taal Volcano d. Mount Kanlaon 13. Which type of volcanic eruption characterized as a periodic weak to violet eruption of fountain lava? a. Vulcanian b. Strombolian c. Plianian d. Phreatomagmatic 14. Which of the following provides the force that causes magma to erupt to the surface? a. the silica in the magma c. dissolved gases trapped in the magma b. gravity in the lithosphere lithosphere d. the density density of the magma 15. During eruption, volcanic material is a. blown to some meters c. blown to many kilometers b. blown to some inches inches d. blown to some feet feet 16. Which step in a volcanic eruption occurs just before the volcano erupts? a. Magma collects in the magma chamber b. Lava hardens hardens to form form volcanic volcanic rock c. Expanding gases push magma through the pipe d. The roof of the empty magma chamber collapses.
17. Geothermal energy is the thermal energy present a. on the surface of the earth b. on the interior of the earth b. on the surface of the ocean d. deep in the ocean 18. Heat from the earth is obtained by all EXCEPT a. drilling wells to bring hot water to the surface b. pump hot spring water into homes and businesses c. steam from high pressure underground turns turbine d. gathering lava from volcanoes to boil water 19. How do geothermal plant generates electricity? Identify the correct order of steps to followed in generating of electricity. 1. Cooling tower cools the steam which it condenses back to water. 2. When the water reaches the surface, the drop in pressure causes the water to turn into steam. 3. The cooled water is pumped back into the Earth to begin the process again. 4. Wells are drilled deep into the Earth to pump steam or hot water to the surface. 5. The steam spins a turbine, which is connected to a generator that produces electricity. a. 1,2,3,4,5 b. 4,2,5,1,3 c. 2,4,1,3,5 d. 5,4,3,2,1 20. Climates that are cold year round are ______________. a. Tropical b. Polar c. Temperate d. Dry 21. Which of the following BEST describes climate? a. The weather that occurs in the atmosphere within a day b. The pattern of weather that occurs in a region over a long period of time c. The pattern of weather that occurs in a region over a short period of time d. The disturbance in the atmosphere that happens in along period. 22. What two major factors are usually used to classify climates? a. Precipitation and altitude c. Temperature and Precipitation b. Temperature and air pressure d. Air pressure and Humidity 23. Which side of the mountain often receives the most precipitation? a. leeward side b. windward side c. rain shadow d. peak 24. Which of these is NOT a factor in determining climate? a. altitude b. topography c. astrology d. latitude 25. Climates that are warm in summer and cold in winter are a. tropical b. temperate c. dry d. polar 26. City A is surrounded by bodies of water and has a moderate climate. It is located near the equator. What will most likely affect the climate of the city? a. Latitude b. Topography c. Altitude d.all of these 27. Which of the following can cause global warming? a. Volcanic eruptions c. The rising of warm air into the atmosphere b. The amount of the rainfall d. Increase of the amount of CO 2 in the atmosphere 28. Why do winds and currents move in curved path? a. the Coriolis effect c. upwelling b. El Nino d. tides For question 29-30: Study the table below; World City Temperatures CITY
Cairo Denver Manila Vienna
ALTITUDE
74.1 1609.3 13.1 19.1
TEMPERATURE HIGH
LOW
31 7 30 -1
22 -3 26 -6
29. Based on the table, which city had the warm air temperature? a. Cairo b. Denver c. Manila d. Vienna 30. What factor do you think is the cause of low temperature in Vienna City? a. Altitude b. Latitude c. Topography d. Bodies of water 31. How does the windward side differ from the leeward side of a high land? a. The windward receives more precipitation than the leeward b. The leeward side has more vegetation than the windward side c. The windward side receives more heat than the leeward side d. The leeward side receives more precipitation than the windward side
32. Why are the coldest places on earth found at the poles? a. Great amount of gaseous particles trap heat from the surface b. Great amount of thermal radiation is received by these areas c. Less amount of thermal radiation is received by these areas d. Less amount of gaseous particles trap heat from the surface. 33. Why do mountain climbers bring thick jackets when they go up the mountain? a. The temperature increases as the altitude increases. b. The temperature decreases as the altitude increases. c. The altitude increases as the temperature increases. d. The altitude decreases as the temperature increases. 34.Why do places at the same latitude but different altitudes have different climate? a. Amount of heat received varies. b. Amount of precipitation differs. c. Higher altitudes have lower temperature d. Higher altitudes have higher temperature 35. Certain gases in the atmosphere-water vapor, carbon dioxide, methane and nitrous oxide-help maintain the Earth’s temperatures and climate. These are ca lled:___________________ a. ozone gases b. solar gases c. greenhouse gases d. stomach gases 36. Which of the following might happen due to global warming? a. melting polar ice caps c. more reflected sunlight off the ice pack b. lower sea levels d. volcanic eruption 37. Which of the following human activities does NOT release carbon dioxide into the atmosphere? a. burning fossil fuels b. fishing c. deforestation d. driving 38. El Nino is the _______ of the eastern Pacific Ocean and La Nina is ________ a. natural warming, natural cooling c. unusual warming, unusual cooling b. unusual warming, natural cooling d. natural warming, unusual cooling 39. What will happen to sea level if the climate becomes warmer? a. rise, both because of ice melting and because of water expanding when it gets warmer b. rise, because of glaciers and ice sheets melting c. fall, because hot water evaporates faster d. rise, because water expands when it gets warmer 40. Which of the following is the reason for ea rth’s climate? 1. changing amount of carbon dioxide in the atmosphere 2. continental drift 3. breaking of land masses 4. changing amount of oxygen in the atmosphere a. 1 and 2 b. 2only c. 1 only d. 1,2,3,and 4 41. Which of the following ideas can help explain why Antarctica used to have a much warm climate now? a. Green House Effect. At some times in the past there was more carbon dioxide in the atmosphere than there is now b. Both continental drift and changing amount of carbon dioxide c. neither continental drift nor changing amounts of carbon dioxide d. continental Drift. Antarctica used to be closer to the Equator instead of the South Pol For questions 42-43, use the table below that presents information about stars A, B, C, and D.
42. Which star is the hottest? a. A b. B 43 . Which star is very similar to our Sun? a. A b. B
Star
Color
A B C D
Red Yellow White Blue
c. C d. D c. C d. D
44. Which of the following is used to determine the stars temperature? a. brightness b. density c. color d. mass 45. Which constellation is prominently seen in the sky during summer? a. Orion b. Pegasus c. Hercules d. Virgo 46. Based on apparent magnitude, which of the following stars is the brightest? a. Alpha Centauri b. Betelgeuse c. Rigel d. Sirius
47. The constellation Pisces changes position during a night, as shown in the diagram below
Which motion is mainly responsible for this change in position? a. revolution of earth around the sun c. rotation of earth on its axis b. revolution of pisces around the sun d. rotation of pisces on its axis 48. The constellation below represents the constellation Cygnus
Which statement best explains why Cygnus is visible to an observer in Manila in September but not in March? a. Earth spins on its axis c. Earth orbits the sun b. Cygnus spins on its axis d. Cygnus orbits the earth 49. How do we see stars due to earths spin? a. Only at certain times of the year c. only at certain times of the month b. remain the same location in the sky d. move during the night 50. At which location can an observer not see Polaris in the night sky at any time during the year?
a.
A and D
b. B and C
c. C and D
d. D and B
